Triple

T1189675
Position Surface form Disambiguated ID Type / Status
Subject Amherst, Massachusetts E25328 entity
Predicate locatedOnRiver P165 FINISHED
Object Mill River (Massachusetts)
Mill River is a small river in western Massachusetts that flows through the town of Amherst and its surrounding area.
 E152883 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Mill River (Massachusetts) | Statement: [Amherst, Massachusetts, locatedOnRiver, Mill River (Massachusetts)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mill River (Massachusetts)
Context triple: [Amherst, Massachusetts, locatedOnRiver, Mill River (Massachusetts)]
  • A. Mill River (Saugus)
    Mill River (Saugus) is a small stream in Massachusetts that serves as a tributary feeding into the Saugus River within the town of Saugus.
  • B. Squannacook River
    The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
  • C. Malden River
    The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
  • D. Mashpee River
    The Mashpee River is a small tidal river and estuary on Cape Cod in Massachusetts, known for its scenic salt marshes and protected natural habitats.
  • E. Aberjona River
    The Aberjona River is a small river in eastern Massachusetts that flows through communities such as Winchester and Woburn before joining the Mystic River.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Mill River (Massachusetts)
Triple: [Amherst, Massachusetts, locatedOnRiver, Mill River (Massachusetts)]
Generated description
Mill River is a small river in western Massachusetts that flows through the town of Amherst and its surrounding area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mill River (Massachusetts)
Target entity description: Mill River is a small river in western Massachusetts that flows through the town of Amherst and its surrounding area.
  • A. Mill River (Saugus)
    Mill River (Saugus) is a small stream in Massachusetts that serves as a tributary feeding into the Saugus River within the town of Saugus.
  • B. Squannacook River
    The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
  • C. Malden River
    The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
  • D. Mashpee River
    The Mashpee River is a small tidal river and estuary on Cape Cod in Massachusetts, known for its scenic salt marshes and protected natural habitats.
  • E. Aberjona River
    The Aberjona River is a small river in eastern Massachusetts that flows through communities such as Winchester and Woburn before joining the Mystic River.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a49427d98881908646d6c63b8cea1e completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd57c3c481908bdca483fcaa3297 completed March 1, 2026, 10:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69acbf15b1e08190a9c75bc7bc467197 completed March 8, 2026, 12:13 a.m.
NEDg Description generation batch_69acbfa308148190a27f5433abcb2a18 completed March 8, 2026, 12:15 a.m.
NED2 Entity disambiguation (via description) batch_69acc0912bf481909bd27111b4daaa0b completed March 8, 2026, 12:19 a.m.
Created at: March 1, 2026, 7:45 p.m.